1071671983646 has 8 divisors (see below), whose sum is σ = 1753645064184. Its totient is φ = 487123628920.

The previous prime is 1071671983639. The next prime is 1071671983727. The reversal of 1071671983646 is 6463891761701.

It is a happy number.

1071671983646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1071671983646² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24356181425 + ... + 24356181468.

It is an arithmetic number, because the mean of its divisors is an integer number (219205633023).

Almost surely, 2^{1071671983646} is an apocalyptic number.

1071671983646 is a deficient number, since it is larger than the sum of its proper divisors (681973080538).

1071671983646 is a wasteful number, since it uses less digits than its factorization.

1071671983646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48712362906.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 1071671983646 in words is "one trillion, seventy-one billion, six hundred seventy-one million, nine hundred eighty-three thousand, six hundred forty-six".